indent: Simplify test script

Much of the test script was concerned with working around RCS tags and
dealing with cases which don't apply to indent.

MFC after:	1 week
Sponsored by:	Klara, Inc.
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D51795

usr.bin/indent/tests/functional_test.sh

@@ -1,3 +1,5 @@
+#-
+# SPDX-License-Identifier: BSD-2-Clause
 #
 # Copyright 2016 Dell EMC
 # All rights reserved.
@@ -29,61 +31,34 @@ SRCDIR=$(atf_get_srcdir)
 
 check()
 {
-	local tc=${1}; shift
+	local tc=${1}
+	local profile_flag
 
-	local indent=$(atf_config_get usr.bin.indent.test_indent /usr/bin/indent)
+	cp "${SRCDIR}/${tc%.[0-9]}".* .
 
-	# All of the files need to be in the ATF sandbox in order for the tests
-	# to pass.
-	atf_check cp ${SRCDIR}/${tc}* .
-
-	# Remove $FreeBSD$ RCS expansions because they get re-indented, which
-	# changes the output
-	local out_file="${tc}.stdout"
-	if [ -f "${out_file}" ]; then
-		parsed_file=output_file.parsed
-
-		atf_check -o save:$parsed_file sed -e '/\$FreeBSD.*\$/d' \
-		    ${tc}.stdout
-		out_flag="-o file:$parsed_file"
-	fi
-	local profile_file="${tc}.pro"
-	if [ -f "${profile_file}" ]; then
-		profile_flag="-P${profile_file}"
+	if [ -f "${tc}.pro" ]; then
+		profile_flag="-P${tc}.pro"
 	else
 		# Make sure we don't implicitly use ~/.indent.pro from the test
 		# host, for determinism purposes.
 		profile_flag="-npro"
 	fi
-	sed -e '/\$FreeBSD.*\$/d' ${tc} > input_file.parsed
-	atf_check -s exit:${tc##*.} ${out_flag} ${indent} ${profile_flag} < input_file.parsed
+	atf_check -s exit:${tc##*.} -o file:"${tc}.stdout" \
+	    indent ${profile_flag} < "${tc}"
 }
 
-add_testcase()
+add_legacy_testcase()
 {
 	local tc=${1}
-	local tc_escaped word
 
-	case "${tc%.*}" in
-	*-*)
-		local IFS="-"
-		for word in ${tc%.*}; do
-			tc_escaped="${tc_escaped:+${tc_escaped}_}${word}"
-		done
-		;;
-	*)
-		tc_escaped=${tc%.*}
-		;;
-	esac
-
-	atf_test_case ${tc_escaped}
-	eval "${tc_escaped}_body() { check ${tc}; }"
-	atf_add_test_case ${tc_escaped}
+	atf_test_case ${tc%.[0-9]}
+	eval "${tc%.[0-9]}_body() { check ${tc}; }"
+	atf_add_test_case ${tc%.[0-9]}
 }
 
 atf_init_test_cases()
 {
-	for path in $(find -Es "${SRCDIR}" -regex '.*\.[0-9]+$'); do
-		add_testcase ${path##*/}
+	for tc in $(find -s "${SRCDIR}" -name '*.[0-9]'); do
+		add_legacy_testcase "${tc##*/}"
 	done
 }